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<div class="header">
  <div class="headertitle">
<div class="title">Hardware-accelerated video decoding and encoding<div class="ingroups"><a class="el" href="../../dd/de7/group__videoio.html">Video I/O</a></div></div>  </div>
</div><!--header-->
<div class="contents">
<p>This section contains information about API to control Hardware-accelerated video decoding and encoding.</p>
<dl class="section note"><dt>Note</dt><dd>Check <a href="https://github.com/opencv/opencv/wiki/Video-IO-hardware-acceleration">Wiki page</a> for description of supported hardware / software configurations and available benchmarks</dd></dl>
<p><a class="el" href="../../d8/dfe/classcv_1_1VideoCapture.html" title="Class for video capturing from video files, image sequences or cameras. ">cv::VideoCapture</a> properties:</p><ul>
<li><a class="el" href="../../d4/d15/group__videoio__flags__base.html#ggaeb8dd9c89c10a5c63c139bf7c4f5704da42c3ede000a9dff34d1006a68e4884cd" title="(open-only) Hardware acceleration type (see VideoAccelerationType). Setting supported only via params...">CAP_PROP_HW_ACCELERATION</a> (as <a class="el" href="../../dc/dfc/group__videoio__flags__others.html#gaf61f8388a47aad88cd82cbda6d52c391" title="Video Acceleration type. ">VideoAccelerationType</a>)</li>
<li><a class="el" href="../../d4/d15/group__videoio__flags__base.html#ggaeb8dd9c89c10a5c63c139bf7c4f5704dad512cd9e5d73bac03761e554ddbbd055" title="(open-only) Hardware device index (select GPU if multiple available) ">CAP_PROP_HW_DEVICE</a></li>
</ul>
<p><a class="el" href="../../dd/d9e/classcv_1_1VideoWriter.html" title="Video writer class. ">cv::VideoWriter</a> properties:</p><ul>
<li><a class="el" href="../../d4/d15/group__videoio__flags__base.html#gga41c5cfa7859ae542b71b1d33bbd4d2b4a23eeb124c684e2a479029694fd6bd490" title="(open-only) Hardware acceleration type (see VideoAccelerationType). Setting supported only via params...">VIDEOWRITER_PROP_HW_ACCELERATION</a> (as <a class="el" href="../../dc/dfc/group__videoio__flags__others.html#gaf61f8388a47aad88cd82cbda6d52c391" title="Video Acceleration type. ">VideoAccelerationType</a>)</li>
<li><a class="el" href="../../d4/d15/group__videoio__flags__base.html#gga41c5cfa7859ae542b71b1d33bbd4d2b4a4d3a048746086dc523c9d4d754466dcb" title="(open-only) Hardware device index (select GPU if multiple available) ">VIDEOWRITER_PROP_HW_DEVICE</a></li>
</ul>
<p>Properties are supported by these backends:</p>
<ul>
<li><a class="el" href="../../d4/d15/group__videoio__flags__base.html#gga023786be1ee68a9105bf2e48c700294dacf10e9692c4166f74de62b7d00c377d0" title="Open and record video file or stream using the FFMPEG library. ">CAP_FFMPEG</a></li>
<li><a class="el" href="../../d4/d15/group__videoio__flags__base.html#gga023786be1ee68a9105bf2e48c700294da38dcac6866f7608675dd35ba0b9c3c07" title="GStreamer. ">CAP_GSTREAMER</a></li>
<li><a class="el" href="../../d4/d15/group__videoio__flags__base.html#gga023786be1ee68a9105bf2e48c700294da278d5ad4907c9c0fe6d1c6104b746019" title="Microsoft Media Foundation (via videoInput) ">CAP_MSMF</a> (Windows) </li>
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